Motivation to reduce alcohol consumption and subsequent attempts at reduction and changes in consumption in increasing and higher-risk drinkers in England: a prospective population survey

Frank de Vocht, Jamie Brown, Emma Beard, Robert West, Susan Michie, Rona Campbell, Matthew Hickman

Research output: Contribution to journalArticlepeer-review

Abstract

Aims: To assess how far motivation to reduce alcohol consumption in increasing and higher-risk drinkers in England predicts self-reported attempts to reduce alcohol consumption and changes in alcohol intake during the following 6 months. Methods: This study used self-reported data from 2928 higher-risk drinkers in the Alcohol Toolkit Study (ATS): a series of monthly cross-sectional household surveys of adults aged 16+ years of age in England. Alcohol consumption was measured in an initial survey and in a 6-month telephone follow-up interview using the Alcohol Use Disorders Identification Test (AUDIT)-C questionnaire. Motivation was measured in the initial survey using the Motivation to Reduce Alcohol Consumption (MRAC) scale. Attempts to reduce alcohol consumption during the past 6 months were recorded at follow-up. Data were analysed using repeated-measures difference-in-differences and logistic regression models. Results: Participants with higher initial motivation to reduce alcohol consumption were more likely to report that they had made an attempt to reduce consumption at follow-up [adjusted odds ratio (ORadj) = 2.39, 95% confidence interval (CI) = 1.75–3.29]. There was an overall reduction in alcohol consumption between initial survey and follow-up (ORadj = 0.72, 95% CI = 0.65–0.79), but there was insufficient evidence of an additional effect of motivation to reduce consumption on subsequent changes in alcohol consumption, with the difference-in-differences effect instead suggesting an average increase (ORadj = 1.37, 95% CI = 1.00–1.88). Conclusions: Increasing and higher-risk drinkers in England who report greater motivation to reduce their consumption are more likely to report making an attempt to reduce during the next 6 months, but this may not be associated with a reduction in alcohol consumption.

Original languageEnglish
Pages (from-to)817-827
Number of pages11
JournalAddiction
Volume113
Issue number5
DOIs
Publication statusPublished - 1 May 2018

Keywords

  • Alcohol
  • Alcohol Toolkit Study
  • ATS
  • audit
  • behaviour
  • consumption
  • motivation

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